QINGDAO DONGDI IMPORT & EXPORT CO. , LTD, is now one of the leading exporters / manufacturers in North China. Continuous investment and innovation of production facilities has been the key to our success. With the support of our own factories, our business keeps one of leading exporters from the whole North China. We have subsidiaries in Shandong and Inner Mongolia and we are one of the few companies in North China who are successful both in the import, export and domestic business. <br/><br/>In Mechanical Products department, QINGDAO DONGDI is a leading specialized manufacturer of rubber sealing products, such as oil seals, valve stem oil seals, PTFE oil seals, dust boots, sealing gaskets and O rings etc. based in Qingdao, China. DONGDI serves OEMs and parts manufacturers of automobiles, motorcycles, domestic appliances, locomotive and rolling stocks, engineering and agricultural machineries etc. <br/>By executing the principal of "Technology-innovated Company", DONGDI has continuously improved the technology level, till now we have 35 patents and 17 high-and-new technology products awards from China Machinery Industry, Shandong Province etc. <br/>DONGDI has been ISO 9001 certified and ISO / TS16949: 2002. <br/>We adhere the quality principle of "Continuous Improvement, Quick Response, Customers' Satisfaction", by implementing the advanced management methods as ERP and Lean Production, focus on building our company into an internationalized one with core competence.